1. This addition of a chemically precipitated substance into pore spaces is termed "permineralization". 这种化学沉淀物质进入孔隙的过程被称为“完全矿化”。
2. The oxygen isotope ratio of the ocean changes as a great deal of water is withdrawn from it by evaporation and is precipitated as snow to form glacial ice. 随着大量的水通过蒸发被抽离，并以雪的形式沉淀形成冰川冰，海洋中氧同位素的比率就发生了变化。
3. His resignation precipitated a leadership crisis. 他的辞职立即引发了领导层的危机。
4. The killings in Vilnius have precipitated the worst crisis yet. 维尔纽斯的杀戮事件快速引发了迄今为止最严重的危机。
5. The assassination of the president precipitated the country into war. 总统被暗杀使国家骤然陷入战争状态。
